avformat/flvenc: support mp3 audio with 48khz

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
fuqiuping 2016-09-28 07:47:47 -07:00 committed by Michael Niedermayer
parent c6bc823eea
commit 2d72ea68f0

View File

@ -107,6 +107,14 @@ static int get_audio_flags(AVFormatContext *s, AVCodecParameters *par)
return FLV_CODECID_SPEEX | FLV_SAMPLERATE_11025HZ | FLV_SAMPLESSIZE_16BIT;
} else {
switch (par->sample_rate) {
case 48000:
// 48khz mp3 is stored with 44k1 samplerate identifer
if (par->codec_id == AV_CODEC_ID_MP3) {
flags |= FLV_SAMPLERATE_44100HZ;
break;
} else {
goto error;
}
case 44100:
flags |= FLV_SAMPLERATE_44100HZ;
break;
@ -124,6 +132,7 @@ static int get_audio_flags(AVFormatContext *s, AVCodecParameters *par)
break;
}
default:
error:
av_log(s, AV_LOG_ERROR,
"FLV does not support sample rate %d, "
"choose from (44100, 22050, 11025)\n", par->sample_rate);